1 files changed, 49 insertions, 0 deletions
diff --git a/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/CheckerEnablementVerifier.java b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/CheckerEnablementVerifier.java
new file mode 100644
index 00000000000..114456dc469
--- /dev/null
+++ b/codan/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/CheckerEnablementVerifier.java
@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Google, Inc and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Alex Ruiz (Google) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.codan.internal.ui;
+
+import org.eclipse.cdt.codan.core.model.CheckerLaunchMode;
+import org.eclipse.cdt.codan.core.model.IChecker;
+import org.eclipse.cdt.codan.internal.core.ICheckerEnablementVerifier;
+import org.eclipse.cdt.codan.ui.CodanEditorUtility;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.editors.text.TextEditor;
+
+/**
+ * Default implementation of <code>{@link ICheckerEnablementVerifier}</code>.
+ */
+public class CheckerEnablementVerifier implements ICheckerEnablementVerifier {
+	@Override
+	public boolean isCheckerEnabled(IChecker checker, IResource resource, CheckerLaunchMode mode) {
+		if (mode != CheckerLaunchMode.RUN_ON_FILE_SAVE) {
+			return true;
+		}
+		for (IWorkbenchWindow window : PlatformUI.getWorkbench().getWorkbenchWindows()) {
+			IWorkbenchPage page = window.getActivePage();
+			for (IEditorReference reference : page.getEditorReferences()) {
+				IEditorPart editor = reference.getEditor(false);
+				if (!CodanEditorUtility.isResourceOpenInEditor(resource, editor)) {
+					continue;
+				}
+				if (editor instanceof TextEditor) {
+					TextEditor textEditor = (TextEditor) editor;
+					return !textEditor.isDirty();
+				} 
+			}
+		}
+		return false;
+	}
+}